What do smoke vent rooflights (AOVs) in Bangor, Gwynedd involve?
Smoke vent rooflights (AOVs) in Bangor, Gwynedd means automatic smoke ventilators at the head of stairwells and atria. We cover the LL57 district and the rest of Gwynedd, with a survey before any price is fixed.
Slate roofs, stone cottages and terraced valleys are typical across Wales, and slim rooflights that sit low in the slates suit them best. Typical uses for smoke vent rooflights (AOVs) include blocks of flats and commercial buildings with a smoke strategy.
We cover all of Bangor, Gwynedd and the LL57 district, and nearby Llangefni and Caernarfon.
Specification options
- Electric (24 V) or pneumatic actuation
- Break-glass and smoke-detector triggers
- Rain and wind sensors for daily vent use
- Glazed rooflight or louvred vent
- Service and test plans
- Manual override at the fire service access level
- Replacement of failed or obsolete units
What to check first
- Replacing a vent with a non-equivalent product can affect the fire strategy
- The product should be certified to BS EN 12101-2 as a natural smoke and heat exhaust ventilator
Rules and responsibilities in Bangor, Gwynedd
Smoke vents are life-safety equipment: in Wales the responsible person must keep them maintained under the Regulatory Reform (Fire Safety) Order 2005 (as it applies in Wales). We install to the building's fire strategy and the manufacturer's certification.
For non-domestic buildings in Wales, Approved Document L sets limiting U-values for rooflights and roof ventilators; we supply the manufacturer's data for the building control submission. Fire classification of rooflight materials near boundaries is checked at specification.
See our building regulations guide for U-values, glazing limits and self-certification.
Guide prices for Bangor, Gwynedd
Guide prices for smoke vent rooflights (AOVs) in Bangor, Gwynedd are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large glazed AOV with actuators | £4,795 – £7,795 | £3,995 – £6,495 |
| Standard glazed AOV Typical | £3,595 – £4,795 | £2,995 – £3,995 |
| Replacement vent onto existing upstand | £2,995 – £3,595 | £2,495 – £2,995 |
The process, step by step
- Tell us what you have. Send the LL57 postcode, a rough size and a couple of photos.
- Measure and check. A surveyor visits Bangor, Gwynedd, measures and checks structure and access.
- Agree the quote. You approve the specification and price before anything is ordered.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Neighbouring towns
More we do in Bangor, Gwynedd
Common questions
Do you design the smoke strategy?
No — the strategy comes from the building's fire engineer or designer. We supply, install, commission and service to it.
Do smoke vents need a control panel?
Electric AOVs work with a control panel that links them to detectors, the fire alarm and override switches.
Can a smoke vent be used for normal ventilation?
Many dual-purpose units also open for daily ventilation, closing automatically in rain.
How do I book a survey in Bangor, Gwynedd?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
Do you fit smoke vent rooflights (AOVs) in Bangor, Gwynedd?
Yes. We survey and fit smoke vent rooflights (AOVs) in Bangor, Gwynedd and across Gwynedd. Send your postcode and we will offer a survey date when we reply.
